Slackening; abatement

Usage examples of letup.

Van Hoek cursed almost without letup, and Jack reflected that, for an officer, nothing could be more humiliating than to face backwards, and never see where you were headed.

From his post in the Provincial Building above the Arnhem bridge, Charles Labouch@ere saw no letup in the flood of vehicles, troops and Nazi sympathizers streaming across the bridge.

Both starboard peashooters were firing without letup, throwing six hundred rounds a minute into an almost solid mass of Mongol troops.